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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A074859 Number of elements of S_n having the maximum possible order g(n), where g(n) is Landau's function (A000793).

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 6
5 20
6 240
7 420
8 2688
9 18144
10 120960
11 2661120
12 7983360
13 103783680
14 1037836800
15 12454041600
16 149448499200
17 1693749657600
18 60974987673600
19 289631191449600
20 5792623828992000
21 121645100408832000
22 3568256278659072000
23 30776210403434496000
24 738629049682427904000
25 12310484161373798400000

List of values

[1, 1, 1, 2, 6, 20, 240, 420, 2688, 18144, 120960, 2661120, 7983360, 103783680, 1037836800, 12454041600, 149448499200, 1693749657600, 60974987673600, 289631191449600, 5792623828992000, 121645100408832000, 3568256278659072000, 30776210403434496000, 738629049682427904000, 12310484161373798400000]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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